diff --git a/packages/lib/har/harUtils.spec.ts b/packages/lib/har/harUtils.spec.ts
index ffe97c5..54e1c5d 100644
--- a/packages/lib/har/harUtils.spec.ts
+++ b/packages/lib/har/harUtils.spec.ts
@@ -9,6 +9,7 @@ import {
   toHarHttpVersion,
   toHarPostData,
   toHarQueryString,
+  checkMimeTypeListAndParseBody,
 } from './harUtils';
 
 describe('harUtils', () => {
@@ -244,6 +245,30 @@ describe('harUtils', () => {
     });
   });
 
+  describe('checkMimeTypeListAndParseBody', () => {
+    it('should return text if cant parse JSON', () => {
+      const content = 'Hello!';
+      const returned = checkMimeTypeListAndParseBody(
+        ['application/json'],
+        content,
+        'application/json',
+      );
+      expect(returned).toEqual({
+        mimeType: 'application/json',
+        text: content,
+      });
+    });
+
+    it('should parse json if no mimeType is passed and mimeTypeList contains empty string', () => {
+      const content = '{"test": "hello"}';
+      const returned = checkMimeTypeListAndParseBody([''], content);
+      expect(returned).toEqual({
+        mimeType: undefined,
+        json: { test: 'hello' },
+      });
+    });
+  });
+
   describe('version', () => {
     it('should work with no version', () => {
       expect(toHarHttpVersion()).toEqual('HTTP/1.1');
diff --git a/packages/lib/har/harUtils.ts b/packages/lib/har/harUtils.ts
index 611a818..29cd9ed 100644
--- a/packages/lib/har/harUtils.ts
+++ b/packages/lib/har/harUtils.ts
@@ -96,7 +96,7 @@ export const fromHarContent = (content?: HarFormatContent) => {
   return Buffer.alloc(0);
 };
 
-const checkMimeTypeListAndParseBody = (
+export const checkMimeTypeListAndParseBody = (
   parseMimeTypesAsJson: string[],
   body: string | Buffer,
   mimeType?: string,